package day05.integer;

public class Lian01 {
    public static void main(String[] args) {
        Integer i1=new Integer(100);
        Integer i2=new Integer("100");
        Integer i3=Integer.valueOf(200);
        Integer i4=Integer.valueOf("200");
        System.out.println(i1);
        System.out.println(i2);
        System.out.println(i3);
        System.out.println(i4);
    }
}
